/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.network.clientpackets;

import net.sf.l2j.Config;
import net.sf.l2j.gameserver.datatables.SkillTable;
import net.sf.l2j.gameserver.datatables.SkillTreeTable;
import net.sf.l2j.gameserver.model.L2EnchantSkillLearn;
import net.sf.l2j.gameserver.model.L2Skill;
import net.sf.l2j.gameserver.model.actor.L2Npc;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.serverpackets.ExEnchantSkillInfo;

/**
 * Format chdd
 * c: (id) 0xD0
 * h: (subid) 0x06
 * d: skill id
 * d: skill lvl
 * 
 * @author -Wooden-
 */
public final class RequestExEnchantSkillInfo extends L2GameClientPacket
{
	private int _skillId, _skillLvl;

	@Override
	protected void readImpl()
	{
		_skillId = readD();
		_skillLvl = readD();
	}

	@Override
	protected void runImpl()
	{
		L2PcInstance activeChar = getClient().getActiveChar();
        if (activeChar == null)
            return;

        if (activeChar.getLevel() < 76)
            return;

        L2Npc trainer = activeChar.getCurrentFolkNPC();
        if ((trainer == null || !activeChar.isInsideRadius(trainer, L2Npc.INTERACTION_DISTANCE, false, false)) && !activeChar.isGM())
            return;

        L2Skill skill = SkillTable.getInstance().getInfo(_skillId, _skillLvl);

        boolean canteach = false;

        if (skill == null || skill.getId() != _skillId)
            return;

        if (!trainer.getTemplate().canTeach(activeChar.getClassId()))
        	return; // cheater

        L2EnchantSkillLearn[] skills = SkillTreeTable.getInstance().getAvailableEnchantSkills(activeChar);

        for (L2EnchantSkillLearn s : skills)
        {
        	if (s.getId() == _skillId && s.getLevel() == _skillLvl)
        	{
        		canteach = true;
        		break;
        	}
        }

        if (!canteach)
        	return; // cheater

        int requiredSp = SkillTreeTable.getInstance().getSkillSpCost(activeChar, skill);
        int requiredExp = SkillTreeTable.getInstance().getSkillExpCost(activeChar, skill);
        byte rate = SkillTreeTable.getInstance().getSkillRate(activeChar, skill);
        ExEnchantSkillInfo asi = new ExEnchantSkillInfo(skill.getId(), skill.getLevel(), requiredSp, requiredExp, rate);

        if (Config.ES_SP_BOOK_NEEDED && (skill.getLevel() == 101 || skill.getLevel() == 141)) // only first lvl requires book
        {
        	int spbId = 6622;
        	asi.addRequirement(4, spbId, 1, 0);
        }
        sendPacket(asi);
	}

	@Override
	public String getType()
	{
		return "[C] D0:06 RequestExEnchantSkillInfo";
	}
}